DE29903342U1 - Fixing element for holding elements of spinal implants - Google Patents
Fixing element for holding elements of spinal implantsInfo
- Publication number
- DE29903342U1 DE29903342U1 DE29903342U DE29903342U DE29903342U1 DE 29903342 U1 DE29903342 U1 DE 29903342U1 DE 29903342 U DE29903342 U DE 29903342U DE 29903342 U DE29903342 U DE 29903342U DE 29903342 U1 DE29903342 U1 DE 29903342U1
- Authority
- DE
- Germany
- Prior art keywords
- fork
- fixing element
- shaped section
- shaped
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007943 implant Substances 0.000 title claims description 8
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
- A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
Die Erfindung bezieht sich auf ein Fixierelement für ein Halteelement eines Wirbelsäulenimplantats
nach dem Oberbegriff des Anspruchs 1.The invention relates to a fixing element for a holding element of a spinal implant
according to the preamble of claim 1.
Bei Wirbelsäulenimplantaten besteht häufig die Aufgabe, bestimmte Wirbel der Wirbelsäule zu
Fixieren, einen Zug oder Druck zwischen den Wirbeln aufzubauen oder, um eine relative Lage
beizubehalten oder zu verändern. Dazu werden geeignete Mittel im Wirbel eingebracht, z.B.
Pedikelschrauben, oder mit den Wirbeln Verbunden, die nachfolgend als Halteelemente bezeichnet
werden und durch Verbindungsmittel miteinander verbunden sein können. Der Kopf der
Pedikelschraube ist entweder ringförmig oder gabelförmig. Bei gabelförmigen Köpfen sind
entweder im inneren oder Äußerem oder beiderseits Gewindeabschnitte vorgesehen in die dann
mittels einer Ring oder Stiftschraube eine zuvor eingelegter Stab oder Gewindestange oder
dergleichen festgelegt werden können.Spinal implants often have the task of positioning certain vertebrae in the spine.
Fixing, building up tension or pressure between the vertebrae or to maintain a relative position
To do this, suitable means are introduced into the vertebra, e.g.
Pedicle screws, or connected to the vertebrae, hereinafter referred to as retaining elements
and can be connected to each other by means of connecting means. The head of the
Pedicle screw is either ring-shaped or fork-shaped. For fork-shaped heads,
either inside or outside or on both sides threaded sections are provided in which
by means of a ring or stud bolt a previously inserted rod or threaded rod or
the like can be determined.
Ein ähnliches Fixierelement für einen Distraktionsstab oder dergleichen ist auch bei hakenförmigen Halteelementen bekannt, beispielsweise bei sog. Lamina- oder Pedikelhaken, die in die entsprechenden Wirbelpartien eingehakt werden.A similar fixing element for a distraction rod or the like is also known in hook-shaped holding elements, for example in so-called lamina or pedicle hooks, which are hooked into the corresponding vertebral parts.
Bei gabelförmigen Fixierelementen besteht die Gefahr, daß bei der Ausübung einer entsprechenden Preßkraft auf den Distraktionsstab oder dergleichen die Schenkel des gabelförmigen Teils auseinander gebogen und oder Torquiert werden, wodurch die Fixierung beeinträchtigt oder sogar aufgehoben werden kann.With fork-shaped fixation elements, there is a risk that when a corresponding pressing force is applied to the distraction rod or the like, the legs of the fork-shaped part will be bent apart and/or twisted, which can impair or even eliminate the fixation.
Es ist bekannt dem z.B. entgegenzuwirken, einen Ring um den Gabelförmigen Kopf zu legen oder eine Ringschraube außen um das Fixierelement am offenen Ende übergreift. Der Erfindung liegt die Aufgabe zugrunde, ein Fixierelement für ein Halteelement eines Wirbelsäulenimplants zu schaffen, bei dem das Halteelement sicher festgelegt werden kann, ohne daß der gabelförmige Abschnitt verformt wird.It is known to counteract this, for example, by placing a ring around the fork-shaped head or by placing an eyebolt around the outside of the fixing element at the open end. The invention is based on the object of creating a fixing element for a holding element of a spinal implant, in which the holding element can be securely fixed without the fork-shaped section being deformed.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.
Bei dem erfindungsgemäßen Fixierelement, das z.B. der geschlitzte Kopf einer Pedikelschraube sein kann oder ein Abschnitt eines Lamina- oder Pedikelhakens, sind Innengewindeabschnitte derart ausgestaltet, daß die tragende Flanke der Gewindeabschnitte einen negativen Flankenwinkel besitzen, im folgenden als Kompressionsgewinde bezeichnet, da bei der Ausübung einer entsprechenden Presskraft auf den Distraktionsstab oder dergleichen die Schenkel des gabelförmigen Teiles zusammengezogen werden. Entsprechend ist das Außengewinde der Schraube komplementär mit einem Kompressionsgewinde versehen. Die tragende Flanke des Kompressionsggewindes des Fixierelementes ist der Öffnung des gabelförmigen Abschnittes zugewandt. Eine derartige Ausbildung des Gewindes verursacht nicht nur eine wesentliche Zugkraft an den Schenkelabschnitten des gabelförmigen Abschnittes, wenn die Schraube gegen das festzulegende Halteelement angepreßt wird, sondern verursacht gleichzeitig eine deutliche Kompressionskraft, die die Zinken oder Schenkel des gabelförmigen Teils gegen die Innenschraube ziehen und somit ein Spreizen und vor allem ein Torquieren derselben verhindert wird.In the fixing element according to the invention, which can be, for example, the slotted head of a pedicle screw or a section of a lamina or pedicle hook, internal thread sections are designed in such a way that the supporting flank of the thread sections has a negative flank angle, hereinafter referred to as a compression thread, since when a corresponding pressing force is exerted on the distraction rod or the like, the legs of the fork-shaped part are pulled together. Accordingly, the external thread of the screw is provided with a complementary compression thread. The supporting flank of the compression thread of the fixing element faces the opening of the fork-shaped section. Such a thread design not only causes a significant tensile force on the leg sections of the fork-shaped section when the screw is pressed against the holding element to be fixed, but at the same time causes a significant compression force that pulls the prongs or legs of the fork-shaped part against the inner screw and thus prevents it from spreading and, above all, from torquing.
Ein Vorteil des erfindungsgemäßen Fixierelementes besteht auch darin, daß es geringer dimensioniert werden kann, da Spreizkräfte aufgrund der Ausbildung als Kompressionsgewinde des Fixierelementes nicht vorhanden sind.An advantage of the fixing element according to the invention is that it can be made smaller, since spreading forces are not present due to the design of the fixing element as a compression thread.
Wie schon erwähnt, kann die Erfindung überall dort eingesetzt werden, wo in einem gabelförmigen Abschnitt Halteelemente von Wirbelsäulenimplanten festgelegt werden müssen. Das Halteelement kann nach einer Ausgestaltung der Erfindung ein stabförmiges Element sein, vorzugsweise ein Distraktionsstab. Das Halteelement kann jedoch auch vom Schaft einer Pedikelschraube gebildet sein, dessen kopfhahes Ende in einem gabelförmigen Abschnitt aufgenommen ist.As already mentioned, the invention can be used wherever holding elements of spinal implants have to be fixed in a fork-shaped section. According to one embodiment of the invention, the holding element can be a rod-shaped element, preferably a distraction rod. However, the holding element can also be formed by the shaft of a pedicle screw, the end of which is close to the head and is accommodated in a fork-shaped section.
Eine andere Ausgestaltung der Erfindung sieht vor, daß das Kompressionsgewinde (Fig. 4) mit
zwei negativen Flankenwinkeln (8) in die gabelförmigen Ausbildungen des Fixierelementes
eingearbeitet werden (Fig. 7).Another embodiment of the invention provides that the compression thread (Fig. 4) with
two negative flank angles (8) in the fork-shaped formations of the fixing element
incorporated (Fig. 7).
Die Erfindung kann überall dort eingesetzt werden wo in einem gabelförmigen Abschnitt
Halteelemente von Wirbelsäulenimplantaten festgeklemmt werden müssen. Das Halteelement kann
ein stabförmiges Element oder ein Gewindestab sein.The invention can be used wherever in a fork-shaped section
Holding elements of spinal implants must be clamped. The holding element can be a rod-shaped element or a threaded rod.
Die Erfindung wird nachfolgend anhand von Zeichnungen näher erläutert.The invention is explained in more detail below with reference to drawings.
Fig. 1 zeigt ein Fixierelement nach der Erfindung im Schnitt.Fig. 1 shows a fixing element according to the invention in section.
Fig. 2 zeigt ein Fixierelements nach Fig. 1 zur Aufnahme von Polyaxialschrauben o.a.Fig. 2 shows a fixing element according to Fig. 1 for receiving polyaxial screws or the like.
Fig. 3 zeigt eine Pedikelschraube deren geschlitzter Kopf (Fig. 1) das Fixierelement nach Anspruch 1 kennzeichnet.Fig. 3 shows a pedicle screw whose slotted head (Fig. 1) characterizes the fixation element according to claim 1.
Fig. 4 zeigt einen Pedikelhaken mit einem Fixierelement nach der Erfindung.Fig. 4 shows a pedicle hook with a fixation element according to the invention.
Fig. 5 zeigt den Halbschnitt eines Fixierelementes mit der speziellen Ausbildung des Kompressionsgewindes mit dem negativen Tragflankenwinkel 9 und der Tragflanke Fig. 6 zeigt ein Fixierelement nach der Erfindung mit Schraube 3 und Halteelement 6 mit Manipulationsaussparungen 7 und den Innengewindeabschnitten 4.Fig. 5 shows the half section of a fixing element with the special design of the compression thread with the negative support flank angle 9 and the support flank Fig. 6 shows a fixing element according to the invention with screw 3 and holding element 6 with manipulation recesses 7 and the internal thread sections 4.
Fig. 7 zeigt eine Abwandlung des Kompressionsgewindes bei dem beide Flanken mit einem negativen Flankenwinkel versehen wurden wodurch es zur Ausbildung eines schwalbenschwanzförmigen Gewindes kommt.Fig. 7 shows a modification of the compression thread in which both flanks are provided with a negative flank angle, resulting in the formation of a dovetail-shaped thread.
Fig. 8 zeigt die präzise Ausbildung des Gewindes mit der detaillierten Darstellung des negativen Flankenwinkels 9, der Tragflanke 5 und zum Vergleich dargestellt ein positiver Flankenwinkel 10.Fig. 8 shows the precise formation of the thread with a detailed representation of the negative flank angle 9, the supporting flank 5 and, for comparison, a positive flank angle 10.
Fig. 9 zeigt ein Fixierelement zusammen mit einer Polyaxialschraube.Fig. 9 shows a fixing element together with a polyaxial screw.
Claims (5)
der geschlitzte Kopf (Fig. 1) einer Pedikelschraube (Fig. 3) ist.2. Fixing element according to claim 1, characterized in that the fork-shaped section,
the slotted head (Fig. 1) of a pedicle screw (Fig. 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29903342U DE29903342U1 (en) | 1999-02-24 | 1999-02-24 | Fixing element for holding elements of spinal implants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29903342U DE29903342U1 (en) | 1999-02-24 | 1999-02-24 | Fixing element for holding elements of spinal implants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE29903342U1 true DE29903342U1 (en) | 1999-06-02 |
Family
ID=8069902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE29903342U Expired - Lifetime DE29903342U1 (en) | 1999-02-24 | 1999-02-24 | Fixing element for holding elements of spinal implants |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE29903342U1 (en) |
Cited By (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000007511A1 (en) * | 1998-08-08 | 2000-02-17 | Schaefer Micomed Gmbh | Osteosynthesis device |
| WO2000027297A1 (en) * | 1998-11-09 | 2000-05-18 | Sdgi Holdings, Inc. | Reverse angle thread for preventing splaying in medical devices |
| FR2796545A1 (en) * | 1999-07-22 | 2001-01-26 | Dimso Sa | Polyaxial connector for spinal support frame has head, coupling and connector with deformable seating |
| EP1219255A1 (en) * | 2000-12-27 | 2002-07-03 | BIEDERMANN MOTECH GmbH | Screw for connection to a rod |
| EP1240875A1 (en) * | 2001-03-15 | 2002-09-18 | Stryker Spine | Spinal anchor with locking collar |
| EP1277444A2 (en) * | 2001-07-20 | 2003-01-22 | Werner Hermann | Threaded bolt, threaded nut and threaded connection |
| EP1449486A1 (en) | 2003-02-19 | 2004-08-25 | Spinal Innovations, LLC | Implant device including threaded locking profilesm |
| EP1459690A1 (en) * | 2000-09-15 | 2004-09-22 | SDGI Holdings, Inc. | Posterior fixation system |
| WO2004084744A2 (en) * | 2003-03-21 | 2004-10-07 | Depuy Acromed Sarl | Spinal fixation devices of improved strength and rigidity |
| WO2005092223A2 (en) * | 2004-03-22 | 2005-10-06 | Innovative Spinal Technologies | Closure member for a medical implant device |
| AU2004202174B2 (en) * | 2000-09-15 | 2006-10-12 | Warsaw Orthopedic, Inc. | Posterior fixation system |
| US7905907B2 (en) | 2003-10-21 | 2011-03-15 | Theken Spine, Llc | Internal structure stabilization system for spanning three or more structures |
| US7955363B2 (en) | 2002-04-18 | 2011-06-07 | Aesculap Implant Systems, Llc | Screw and rod fixation assembly and device |
| US7967826B2 (en) | 2003-10-21 | 2011-06-28 | Theken Spine, Llc | Connector transfer tool for internal structure stabilization systems |
| US8100946B2 (en) | 2005-11-21 | 2012-01-24 | Synthes Usa, Llc | Polyaxial bone anchors with increased angulation |
| US8123784B2 (en) | 2003-03-11 | 2012-02-28 | Biedermann Motech Gmbh | Anchoring element for use in spine or bone surgery, methods for use and production thereof |
| US8298265B2 (en) | 2003-05-22 | 2012-10-30 | Thomas Purcell | Variable angle spinal screw assembly |
| US8444681B2 (en) | 2009-06-15 | 2013-05-21 | Roger P. Jackson | Polyaxial bone anchor with pop-on shank, friction fit retainer and winged insert |
| WO2013053885A3 (en) * | 2011-10-14 | 2013-06-06 | Medos International Sarl | Bone anchor assemblies |
| DE102012219350A1 (en) * | 2012-10-18 | 2014-04-24 | Silony Medical International AG | osteosynthesis |
| US8819973B2 (en) | 2012-09-13 | 2014-09-02 | Howard Grayston Mochel | Front loading frame on rail display system |
| US8828060B2 (en) | 2001-11-27 | 2014-09-09 | Biedermann Technologies Gmbh & Co. Kg | Element with a shank and a holding element connected to it for connecting to a rod |
| US8911479B2 (en) | 2012-01-10 | 2014-12-16 | Roger P. Jackson | Multi-start closures for open implants |
| US9168069B2 (en) | 2009-06-15 | 2015-10-27 | Roger P. Jackson | Polyaxial bone anchor with pop-on shank and winged insert with lower skirt for engaging a friction fit retainer |
| US9393047B2 (en) | 2009-06-15 | 2016-07-19 | Roger P. Jackson | Polyaxial bone anchor with pop-on shank and friction fit retainer with low profile edge lock |
| US9480517B2 (en) | 2009-06-15 | 2016-11-01 | Roger P. Jackson | Polyaxial bone anchor with pop-on shank, shank, friction fit retainer, winged insert and low profile edge lock |
| US9713488B2 (en) | 2008-02-04 | 2017-07-25 | Medos International Sarl | Methods for correction of spinal deformities |
| US9724130B2 (en) | 2013-03-14 | 2017-08-08 | Medos International Sarl | Locking compression members for use with bone anchor assemblies and methods |
| US9724145B2 (en) | 2013-03-14 | 2017-08-08 | Medos International Sarl | Bone anchor assemblies with multiple component bottom loading bone anchors |
| US9775660B2 (en) | 2013-03-14 | 2017-10-03 | DePuy Synthes Products, Inc. | Bottom-loading bone anchor assemblies and methods |
| US9782204B2 (en) | 2012-09-28 | 2017-10-10 | Medos International Sarl | Bone anchor assemblies |
| US9918747B2 (en) | 2013-03-14 | 2018-03-20 | DePuy Synthes Products, Inc. | Bone anchor assemblies and methods with improved locking |
| US9974571B2 (en) | 2008-09-12 | 2018-05-22 | DePuy Synthes Products, Inc. | Spinal stabilizing and guiding fixation system |
| US10105163B2 (en) | 2009-04-15 | 2018-10-23 | DePuy Synthes Products, Inc. | Revision connector for spinal constructs |
| US10136923B2 (en) | 2007-07-20 | 2018-11-27 | DePuy Synthes Products, Inc. | Polyaxial bone fixation element |
| US10154859B2 (en) | 2008-09-29 | 2018-12-18 | DePuy Synthes Products, Inc. | Polyaxial bottom-loading screw and rod assembly |
| US10342582B2 (en) | 2013-03-14 | 2019-07-09 | DePuy Synthes Products, Inc. | Bone anchor assemblies and methods with improved locking |
| US10405892B2 (en) | 2008-11-03 | 2019-09-10 | DePuy Synthes Products, Inc. | Uni-planer bone fixation assembly |
| WO2020209895A1 (en) | 2019-04-10 | 2020-10-15 | Warsaw Orthopedic, Inc. | Spinal implant and method of use |
| US11006978B2 (en) | 2009-06-17 | 2021-05-18 | DePuy Synthes Products, Inc. | Revision connector for spinal constructs |
-
1999
- 1999-02-24 DE DE29903342U patent/DE29903342U1/en not_active Expired - Lifetime
Cited By (90)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000007511A1 (en) * | 1998-08-08 | 2000-02-17 | Schaefer Micomed Gmbh | Osteosynthesis device |
| US6485492B1 (en) | 1998-08-08 | 2002-11-26 | Bernd Schafer | Osteosynthesis device |
| AU760881B2 (en) * | 1998-11-09 | 2003-05-22 | Warsaw Orthopedic, Inc. | Reverse angle thread for preventing splaying in medical devices |
| WO2000027297A1 (en) * | 1998-11-09 | 2000-05-18 | Sdgi Holdings, Inc. | Reverse angle thread for preventing splaying in medical devices |
| EP1576931A3 (en) * | 1998-11-09 | 2005-09-28 | SDGI Holdings Inc. | Reverse angle thread for preventing splaying in medical devices |
| FR2796545A1 (en) * | 1999-07-22 | 2001-01-26 | Dimso Sa | Polyaxial connector for spinal support frame has head, coupling and connector with deformable seating |
| WO2001006940A1 (en) * | 1999-07-22 | 2001-02-01 | Stryker Spine | Multiaxial connection for osteosynthesis |
| US7316684B1 (en) | 1999-07-22 | 2008-01-08 | Stryker Spine | Multiaxial connection for osteosynthesis |
| AU2004202174B2 (en) * | 2000-09-15 | 2006-10-12 | Warsaw Orthopedic, Inc. | Posterior fixation system |
| EP1459690A1 (en) * | 2000-09-15 | 2004-09-22 | SDGI Holdings, Inc. | Posterior fixation system |
| US7018378B2 (en) | 2000-12-27 | 2006-03-28 | Biedermann Motech Gmbh | Screw |
| EP1219255A1 (en) * | 2000-12-27 | 2002-07-03 | BIEDERMANN MOTECH GmbH | Screw for connection to a rod |
| US8845695B2 (en) | 2001-03-15 | 2014-09-30 | Stryker Spine | Anchoring member with safety ring |
| US8167916B2 (en) | 2001-03-15 | 2012-05-01 | Stryker Spine | Anchoring member with safety ring |
| US7686834B2 (en) | 2001-03-15 | 2010-03-30 | Stryker Spine | Anchoring member with safety ring |
| FR2822053A1 (en) * | 2001-03-15 | 2002-09-20 | Stryker Spine Sa | ANCHORING MEMBER WITH SAFETY RING FOR SPINAL OSTEOSYNTHESIS SYSTEM |
| US9532807B2 (en) | 2001-03-15 | 2017-01-03 | Stryker European Holdings I, Llc | Anchoring member with safety ring |
| EP1240875A1 (en) * | 2001-03-15 | 2002-09-18 | Stryker Spine | Spinal anchor with locking collar |
| EP1277444A3 (en) * | 2001-07-20 | 2003-09-24 | Werner Hermann | Threaded bolt, threaded nut and threaded connection |
| EP1277444A2 (en) * | 2001-07-20 | 2003-01-22 | Werner Hermann | Threaded bolt, threaded nut and threaded connection |
| US10792075B2 (en) | 2001-11-27 | 2020-10-06 | Biedermann Technologies Gmbh & Co. Kg | Element with a shank and a holding element connected to it for connecting to a rod |
| US8828060B2 (en) | 2001-11-27 | 2014-09-09 | Biedermann Technologies Gmbh & Co. Kg | Element with a shank and a holding element connected to it for connecting to a rod |
| US9895173B2 (en) | 2001-11-27 | 2018-02-20 | Biedermann Technologies Gmbh & Co. Kg | Element with a shank and a holding element connected to it for connecting to a rod |
| US7955363B2 (en) | 2002-04-18 | 2011-06-07 | Aesculap Implant Systems, Llc | Screw and rod fixation assembly and device |
| US8409255B2 (en) | 2002-04-18 | 2013-04-02 | Aesculap Implant Systems, Llc | Screw and rod fixation assembly and device |
| EP2238935A3 (en) * | 2003-02-19 | 2010-12-01 | Aesculap Implant Systems, Inc. | Implant device including threaded locking mechanism |
| EP1449486A1 (en) | 2003-02-19 | 2004-08-25 | Spinal Innovations, LLC | Implant device including threaded locking profilesm |
| US8123784B2 (en) | 2003-03-11 | 2012-02-28 | Biedermann Motech Gmbh | Anchoring element for use in spine or bone surgery, methods for use and production thereof |
| WO2004084744A2 (en) * | 2003-03-21 | 2004-10-07 | Depuy Acromed Sarl | Spinal fixation devices of improved strength and rigidity |
| WO2004084744A3 (en) * | 2003-03-21 | 2004-11-11 | Depuy Acromed Sarl | Spinal fixation devices of improved strength and rigidity |
| US8298265B2 (en) | 2003-05-22 | 2012-10-30 | Thomas Purcell | Variable angle spinal screw assembly |
| US8636775B2 (en) | 2003-05-22 | 2014-01-28 | Thomas Purcell | Variable angle spinal screw assembly |
| US7905907B2 (en) | 2003-10-21 | 2011-03-15 | Theken Spine, Llc | Internal structure stabilization system for spanning three or more structures |
| US7967826B2 (en) | 2003-10-21 | 2011-06-28 | Theken Spine, Llc | Connector transfer tool for internal structure stabilization systems |
| WO2005092223A2 (en) * | 2004-03-22 | 2005-10-06 | Innovative Spinal Technologies | Closure member for a medical implant device |
| WO2005092223A3 (en) * | 2004-03-22 | 2005-11-24 | Innovative Spinal Technologies | Closure member for a medical implant device |
| US7214227B2 (en) | 2004-03-22 | 2007-05-08 | Innovative Spinal Technologies | Closure member for a medical implant device |
| US9848918B2 (en) | 2005-11-21 | 2017-12-26 | DePuy Synthes Products, Inc. | Polyaxial bone anchors with increased angulation |
| US11432850B2 (en) | 2005-11-21 | 2022-09-06 | DePuy Synthes Products, Inc. | Polyaxial bone anchors with increased angulation |
| US10595908B2 (en) | 2005-11-21 | 2020-03-24 | DePuy Sythes Products, Inc. | Polaxial bone anchors with increased angulation |
| US8679162B2 (en) | 2005-11-21 | 2014-03-25 | DePuy Synthes Products, LLC | Polyaxial bone anchors with increased angulation |
| US9504498B2 (en) | 2005-11-21 | 2016-11-29 | DePuy Synthes Products, Inc. | Polyaxial bone anchors with increased angulation |
| US8100946B2 (en) | 2005-11-21 | 2012-01-24 | Synthes Usa, Llc | Polyaxial bone anchors with increased angulation |
| US11819247B2 (en) | 2007-07-20 | 2023-11-21 | DePuy Synthes Products, Inc. | Polyaxial bone fixation element |
| US11357550B2 (en) | 2007-07-20 | 2022-06-14 | DePuy Synthes Products, Inc. | Polyaxial bone fixation element |
| US10898234B2 (en) | 2007-07-20 | 2021-01-26 | DePuy Synthes Products, Inc. | Polyaxial bone fixation element |
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